WO2019085990A1 - Système de stockage de blocs-batteries et station d'échange automatique de batteries pour voiture électrique - Google Patents

Système de stockage de blocs-batteries et station d'échange automatique de batteries pour voiture électrique Download PDF

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Publication number
WO2019085990A1
WO2019085990A1 PCT/CN2018/113668 CN2018113668W WO2019085990A1 WO 2019085990 A1 WO2019085990 A1 WO 2019085990A1 CN 2018113668 W CN2018113668 W CN 2018113668W WO 2019085990 A1 WO2019085990 A1 WO 2019085990A1
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WO
WIPO (PCT)
Prior art keywords
battery pack
pack storage
exchange
battery
storage unit
Prior art date
Application number
PCT/CN2018/113668
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English (en)
Chinese (zh)
Inventor
李楠
田小涛
马永跃
刘立敬
Original Assignee
蔚来汽车有限公司
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Filing date
Publication date
Application filed by 蔚来汽车有限公司 filed Critical 蔚来汽车有限公司
Priority to EP18871948.8A priority Critical patent/EP3705354A4/fr
Publication of WO2019085990A1 publication Critical patent/WO2019085990A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/80—Exchanging energy storage elements, e.g. removable batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
    • B60S5/06—Supplying batteries to, or removing batteries from, vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

Definitions

  • the present invention relates to the field of battery replacement technology for electric vehicles, and more particularly to a battery pack storage system and an automatic power exchange of an electric vehicle.
  • the automatic power substation designed by the applicant before the present invention is as shown in FIG. 1 and FIG. 2, and the automatic power station shown in FIG. 1 has a battery pack storage area battery pack orientation different from the orientation of the battery pack in the power exchange area by 90 degrees.
  • the package needs to be rotated 90 degrees throughout the process, with high cost, long power-changing time and high system complexity.
  • the power exchange process it is necessary to set a space for the electric vehicle to avoid.
  • the automatic power station stores at most 5 battery packs, and the battery pack has a small storage amount.
  • the battery pack exchange position has only one layer of battery, and each time the battery pack is exchanged, it needs to be transported over a long distance, which takes a long time and has low power exchange efficiency.
  • the orientation of the battery pack storage in this solution is the same as the orientation of the replacement.
  • the battery pack does not need to be rotated 90 degrees during the power exchange process, but it is still necessary to set the space for the electric vehicle to avoid, resulting in a change.
  • the space occupied by the electrical system will exceed the width of the three parking spaces and there is no margin in the surrounding space.
  • the battery pack exchange position is only one layer, and each time the battery pack is exchanged, it needs to be transported over a long distance, which is time consuming and has low power exchange efficiency.
  • the above-mentioned automatic power exchange station usually needs to be able to move up and down between the storage positions of the respective batteries along the height direction of the power-changing position, thereby placing or removing the battery pack, and therefore, on the one hand, it is necessary to set the complicated on the electric-changing trolley.
  • the lifting mechanism meets the lifting requirements, on the other hand, the power exchange time is longer and the power exchange efficiency is lower.
  • the existing automatic power exchange has at least the following disadvantages: large occupied space, small battery pack storage, long battery pack exchange time, and low power exchange efficiency, resulting in poor user experience.
  • the technical problem to be solved by the present invention is to provide a battery pack storage system and an automatic power exchange of an electric vehicle, which have small occupied space, a large number of battery packs, short battery pack exchange time, high power exchange efficiency, and can be widely applied to A variety of venues have greatly improved the user experience.
  • the present invention provides a battery pack storage system for an electric vehicle automatic power station, comprising:
  • a battery pack storage device having a battery pack storage area, the battery pack storage area having a plurality of first battery pack storage units arranged in a height direction;
  • a battery pack switching device for exchanging a battery pack with the power exchange cart, the battery pack switching device being located at one side of the battery pack storage device in a first direction, the battery pack switching device having a second battery pack storage unit And moving in the height direction to achieve a height that enables the battery pack exchange between the second battery pack storage unit and the first battery pack storage unit.
  • the battery pack storage device is provided with a escaping area at the bottom of the first battery pack storage unit, and the escaping area is available for the electric trolley to pass;
  • the battery pack switching device is movable in the height direction to the avoidance zone to perform battery pack exchange with the power exchange trolley.
  • the battery pack storage area has at least two arranged in a second direction, the second direction being perpendicular to the first direction;
  • the battery pack switching device is movable in the second direction to perform battery pack exchange with each of the battery pack storage areas.
  • the battery pack switching device is provided with at least two layers of second battery pack storage units arranged in the height direction.
  • first and second battery pack storage units are each provided with a transport portion for supporting and transporting the battery pack, and the transport direction of the transport portion is parallel to the first direction.
  • the battery pack storage area includes at least three layers of the first battery pack storage unit.
  • an automatic power station for an electric vehicle includes the battery pack storage system, and further includes:
  • the power exchange platform is disposed on a side of the battery pack storage system along the first direction for supporting, positioning, and lifting the vehicle to a preset power exchange height.
  • the battery pack storage device is located between the battery pack switching device and the power exchange platform in the first direction;
  • the battery pack storage device is provided with a escaping area at the bottom of the first battery pack storage unit, and the escaping area is available for the electric trolley to pass.
  • the rail extends along the first direction, one end of the rail extends into the power exchange platform, and the other end extends to the battery pack switching device;
  • the electric change trolley is disposed on the guide rail and reciprocable along the guide rail to complete the transportation and exchange of the battery pack between the vehicle and the battery pack exchange device.
  • the battery pack switching device further includes a pillar structure and a lifting structure, the pillar structure is fixed at two ends of the battery pack switching device in the vehicle width direction, and the lifting structure is disposed on the pillar structure, and the The column structure moves up and down, thereby driving the second generation battery pack storage unit to move in the height direction.
  • the automatic power station further includes a charging device for charging the depleted battery pack.
  • the automatic power station further includes control means for transmitting instructions to the power exchange platform, the power exchange trolley, the first battery pack storage unit, and the second battery pack storage unit to coordinate and control the work of each component. .
  • the battery pack storage system and the automatic power exchange of the electric vehicle of the present invention can achieve considerable technical advancement and practicability, and have extensive industrial use value, and at least have the following advantages:
  • the orientation of the battery pack storage is the same as the orientation of the battery pack replacement. It is not necessary to rotate the battery pack during the power exchange process, which saves the power exchange time and the power exchange space;
  • the electric-changing trolley can be placed in the storage area of the battery pack, and there is no need to additionally set the avoidance position of the electric-changing trolley, thereby further saving space;
  • the battery pack storage device is hierarchically arranged, and can store a plurality of battery packs, thereby increasing the storage amount of the battery pack;
  • the battery pack switching device has two layers of battery pack exchange positions. Each time the battery pack is exchanged, one layer is a full battery pack, and one layer is an idle turnaround position, which saves battery pack exchange time.
  • the replacement power station is applicable to various parking lots and most automobile maintenance stations, and can be widely applied to various places.
  • FIG. 1 is a schematic diagram of an automatic power station layout of an electric vehicle in the prior art
  • FIG. 2 is a schematic diagram showing the layout of an automatic power substation of another electric vehicle in the prior art
  • FIG. 3 is a schematic diagram of a battery pack storage system according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of an automatic power station layout of an electric vehicle according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a main frame of an automatic power substation of an electric vehicle according to an embodiment of the present invention.
  • FIG. 6 is a top view of an automatic power station of an electric vehicle according to an embodiment of the present invention.
  • FIG. 7 is a perspective view of an automatic power substation of an electric vehicle according to an embodiment of the present invention.
  • FIG. 8 is a flowchart of an automatic power changing method of an electric vehicle according to an embodiment of the present invention.
  • an embodiment of the present invention provides a battery pack storage system for an electric vehicle automatic power station, comprising: a battery pack storage device 1 for storing a battery pack, and a battery pack storage device 1 and The battery pack exchange device 2 of the battery pack is transferred between the exchange trolleys.
  • the battery pack storage device 1 has a battery pack storage area 3 having a plurality of first battery pack storage units 4 arranged in the height direction Z; the battery pack exchange device 2 is located in the first direction X in the battery pack
  • the battery pack switching device 2 has a second battery pack storage unit 5 and is movable along the height direction Z to enable storage of the second battery pack storage unit 5 and the first battery pack Unit 4 achieves the height of the battery pack exchange.
  • the height direction Z is a direction perpendicular to the ground
  • the first direction X is parallel to the horizontal plane, and generally can be selected to be consistent with the vehicle width direction.
  • the battery pack of the present invention includes a depleted battery pack and a full battery pack.
  • the electric deficient battery pack refers to the battery pack that is removed from the vehicle during the power exchange process, and is not limited to the state in which the battery pack removed from the vehicle is completely depleted.
  • the full battery pack refers to the battery pack installed for the vehicle during the power exchange process, and is not limited to the battery pack installed in the vehicle is fully charged.
  • the electric vehicle of the present invention generally refers to a vehicle having a replaceable battery pack, and is not limited to a pure electric vehicle or a hybrid vehicle.
  • the battery pack storage device 1 is provided with a escaping zone 6 at the bottom of the first battery pack storage unit 4, and the escaping zone 6 is allowed to pass through the electric trolley 7; the battery pack switching device 2 can be moved to the escaping zone 6 in the height direction Z, The battery pack is exchanged with the electric trolley 7.
  • the battery pack storage device 1 may have a frame structure, and the battery pack storage area 3 has at least two arranged in the second direction Y, the second direction Y being perpendicular to the first direction X and parallel to the horizontal plane. Generally, it can be selected to be consistent with the length of the vehicle.
  • the battery pack storage area 3 includes a plurality of the first battery pack storage units 4 arranged in the height direction Z, for example, at least three layers. Each of the first battery pack storage units 4 can store one battery pack. As shown in FIG. 3, as an example, the battery pack storage device 1 has two battery pack storage areas 3 arranged in the second direction Y, and each of the battery pack storage areas 3 includes three layers of the first battery pack storage unit 4. .
  • the battery pack storage device 1 adopts a multi-layer structure, which can increase the storage amount of the battery pack and save the floor space.
  • the first battery pack storage unit 4 is provided with a transport portion 41 for supporting and transporting the battery pack for transporting the battery pack, and the transport direction of the transport portion 41 is parallel to the first direction X.
  • the conveying portion 41 may be a conveyor belt, an inline roller holder or the like.
  • the battery pack switching device 2 can be moved in the second direction Y to be associated with each battery pack storage area.
  • 3 Perform battery pack exchange.
  • a track may be provided, and the battery pack switching device 2 is moved in the second direction Y by the track, so that the battery pack switching device 2 can be moved to any one of the battery pack storage areas 3, and completed by the lifting in the height direction Z with the first battery.
  • the packet storage unit 4 performs exchange of battery packs.
  • the battery pack switching device 2 is provided with at least two layers of second battery pack storage units 5 arranged in the height direction Z, and each of the second battery pack storage units 5 can store one battery pack.
  • each of the second battery pack storage units 5 can store one battery pack.
  • at least one layer of the second battery pack storage unit 5 is in an idle state for receiving the depleted battery pack on the change trolley 7; at least one layer of the second battery pack storage unit 5 stores the full battery pack. It is used to provide a fully charged battery pack for the electric trolley 7.
  • the battery pack switching device 2 is provided with two layers of second battery pack storage units 5 arranged in the height direction Z.
  • the battery pack switching device 2 further includes a pillar structure 21 and a lifting structure 22 fixed at both ends of the battery pack switching device 2 in the first direction X, and the lifting structure 22 is disposed on the pillar structure 21 along the pillar structure 21 moves up and down, thereby driving the second battery pack storage unit 5 to move up and down in the battery pack height direction Z.
  • the above-mentioned pillar structure 21 and the lifting structure 22 are only an example, and the specific structure can be adaptively adjusted as long as the battery pack switching device 2 can be lifted and lowered in the height direction Z.
  • the second battery pack storage unit 5 is also provided with a transport portion 41 for supporting and transporting the battery pack.
  • the exchange of the battery pack with the battery pack storage device 1 is realized, and the implementation is simple and the complexity is low.
  • the changeover trolley 7 does not need to be provided with a complicated lifting mechanism to complete the battery pack.
  • the exchange saves cost and battery exchange time.
  • the battery pack exchange between the battery pack switching device 2 and the battery pack storage device 1 can be completed during the operation of the power exchange trolley 7 and the vehicle for power exchange, or can be completed in an intermittent time, the power exchange time is short, and the power exchange efficiency is high. .
  • an embodiment of the present invention provides an automatic power exchange of an electric vehicle, including the battery pack storage system of the first embodiment, and further includes: a power exchange trolley 7, a power exchange platform 8 and a guide rail 9 .
  • the power exchange platform 8 is disposed on one side of the battery pack storage system along the first direction X for supporting and positioning the vehicle, and lifting the vehicle to a preset power exchange height.
  • the guide rail 9 extends along the first direction X. One end of the guide rail 9 extends into the power exchange platform 8 and the other end extends to the battery pack switching device 2; the electric change trolley 7 is disposed on the guide rail 9 and can be along the guide rail 9 reciprocating to complete the transportation and exchange of the battery pack between the vehicle and the battery pack exchange device 2.
  • the battery pack storage device 1 is located between the battery pack switching device 2 and the power exchange platform 8 in the first direction X; the battery pack storage device 1 is disposed in the first battery pack storage unit. 4, the escaping zone 6 at the bottom, the escaping zone 6 is available for the electric trolley 7 to pass, thereby eliminating the need to additionally set the escaping zone of the electric trolley 7 for the automatic power-changing platform, saving the floor space and making the layout of the automatic power-changing station More compact and reasonable.
  • the height of the escape zone 6 is configured such that the commutation trolley 7 can maintain the height required for battery exchange with the vehicle in the avoidance zone 6, so that the changeover trolley 7 can be exchanged with the vehicle.
  • the escaping zone 6 can also be set lower than the height required for the battery exchange of the vehicle, but after the electric trolley 7 is driven out of the escaping zone 6, it needs to be raised again to be required for battery exchange with the vehicle.
  • the height when the electric trolley 7 needs to enter the escaping zone 6, it is lowered to a height lower than the escaping zone 6, and it is understood that the escaping zone 6 is set lower than the height required for the battery exchange of the vehicle, and the power is changed.
  • the trolley is required to have a lifting structure that can move in the height direction Z.
  • the first direction X is the vehicle width direction
  • the second direction Y is the vehicle length direction.
  • the transport trolley 7 is also provided with a transport portion 41 for supporting and transporting the battery pack.
  • the power exchange platform 8 includes a platform body 81 and a lifting mechanism 82, wherein the platform body 81 is used to support and position the vehicle, and the lifting mechanism 82 is disposed on the platform body 81 for the vehicle Lifting to the height required when changing the electric trolley 4 can be set according to factors such as the model of the vehicle to be replaced. It should be understood that when the vehicle enters and exits the power exchange platform 8, the power exchange trolley 4 should be given a refusal.
  • the automatic power station also includes a charging device 10 for charging a depleted battery pack.
  • the charging device 10 may be provided separately or in the battery storage device 1.
  • the automatic power station further includes control means 11 for transmitting commands to the power exchange platform 8, the changeover trolley 7, the battery pack storage device 1, and the battery pack switching device 2 to coordinate and control the operation of the components.
  • the control device 11 can control various components of the power station by means of wired, wireless or remote control.
  • the control device 11 can also be arranged separately in the substation or on the components of the substation, for example in the power exchange platform 8, which can comprise an electrical control cabinet and a power distribution cabinet.
  • the automatic substation can be controlled to occupy up to three parking spaces, and the layout is compact and reasonable.
  • the operation method includes the following steps:
  • Step S1 The vehicle enters the power exchange platform 8 and performs vehicle positioning
  • the electric change trolley 7 is driven into the escape zone 6 of the battery pack storage device 1 through the guide rail 9 to be avoided.
  • Step S2 the lifting mechanism 82 lifts the vehicle to a preset power-changing height
  • Step S3 the empty load change car 7 enters the bottom of the vehicle, removes the depleted battery pack, and transfers the depleted battery pack to the battery exchange device 2;
  • Step S4 the battery exchange device 2 by moving up and down in the height direction Z, the second battery pack storage unit 5 placed full battery pack is aligned with the change trolley 7, the full battery pack is transmitted to the change trolley 7;
  • Step S5 the electric trolley 7 carries the full battery pack into the bottom of the vehicle, and the full battery pack is installed on the vehicle to complete the power exchange.
  • the battery pack switching device 2 can be moved up and down in the height direction Z or moved in the second direction Y to align the first battery pack storage unit 4, and the battery pack is depleted. It is transmitted to the first battery pack storage unit 4. Or, the full battery pack is obtained from the first battery pack storage unit 4 and used as the next power exchange process.
  • the embodiment of the invention provides a battery pack storage system and an automatic power exchange of an electric vehicle.
  • the orientation of the battery pack storage is consistent with the orientation of the battery pack replacement during the power exchange process, and the battery pack is not required to be rotated during the power exchange process, thereby saving the power exchange time.
  • the electric trolley 7 can be placed in the storage area of the battery pack, no need to additionally set the avoidance position of the electric trolley 7, further saving space;
  • the battery pack storage device 1 is arranged hierarchically, and can store multiple battery packs , the storage capacity of the battery pack is increased;
  • the battery pack switching device 2 has two layers of battery pack exchange positions, each time the exchange battery pack has a full battery pack, and the first layer is an idle turnaround position, which saves the battery pack exchange time. .
  • the automatic power station is suitable for use in various parking lots and most car repair stations, and can be widely applied to a variety of places. All the processes of the automatic power changing method of the invention can be automatically completed by the control device, no manual power exchange is needed, the manpower is saved, the power exchange process is simple, the operation is easy, the power exchange efficiency is improved, and the user experience is improved.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

L'invention concerne un système de stockage de blocs-batteries pour une station d'échange automatique de batteries pour une voiture électrique, le système comprenant : un dispositif de stockage de blocs-batteries (1) comportant des premières unités de stockage de blocs-batteries (4) disposées sous la forme de multiples couches dans le sens de la hauteur ; un dispositif d'échange de blocs-batteries (2) positionné sur un côté du dispositif de stockage de blocs-batteries dans une première direction et comportant une seconde unité de stockage de blocs-batteries (5) pouvant se déplacer dans le sens de la hauteur pour atteindre une hauteur à laquelle un échange de blocs-batteries avec la première unité de stockage de blocs-batteries peut être réalisé. Des blocs-batteries sont stockés dans différentes couches, et les orientations dans lesquelles les blocs-batteries sont stockés et échangés restent les mêmes, ce qui permet de réduire l'espace occupé, d'augmenter le nombre de blocs-batteries à stocker, et de réduire le temps nécessaire à une opération d'échange de blocs-batteries. L'invention présente une efficacité d'échange de batteries élevée, et peut être largement appliquée dans divers sites. L'invention concerne également une station d'échange automatique de batteries pour une voiture électrique utilisant le système de stockage de blocs-batteries.
PCT/CN2018/113668 2017-11-03 2018-11-02 Système de stockage de blocs-batteries et station d'échange automatique de batteries pour voiture électrique WO2019085990A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18871948.8A EP3705354A4 (fr) 2017-11-03 2018-11-02 Système de stockage de blocs-batteries et station d'échange automatique de batteries pour voiture électrique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201711071214.8A CN109501749A (zh) 2017-11-03 2017-11-03 电池包存储系统和电动汽车的自动换电站
CN201711071214.8 2017-11-03

Publications (1)

Publication Number Publication Date
WO2019085990A1 true WO2019085990A1 (fr) 2019-05-09

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EP (1) EP3705354A4 (fr)
CN (1) CN109501749A (fr)
TW (2) TWM574576U (fr)
WO (1) WO2019085990A1 (fr)

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CN110255031B (zh) * 2019-06-27 2024-06-11 佛山市丁丁自动化科技有限公司 Agv电池自动充换设备及其更换方法

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TW201918404A (zh) 2019-05-16
TWM574576U (zh) 2019-02-21

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